您要查找的是不是:
- APPLICATION AND QUESTIONS OF ESR DATING METHOD IN THE LOESS ESR测年法在黄土中的应用及存在的一些问题
- esr dating method 电子自旋共振年代测定法
- The latest active age is determined by OSL, TL and ESR dating techniques. 通过释光(TL、OSL)和电子自旋测年(ESR)研究了这些断裂的最新活动时代。
- Some paleomagnetic data and ESR dating data coincide with geochronometer published in 2000,and may be regarded as subsidiary basis for chronostratigraphic classification. 部分地层的古地磁和ESR测年数据与2000年公布的地质年代数据基本吻合,可以作为年代地层划分的辅助依据。
- The second dating method was palaeo-magnetic analysis, or magnetic polarity stratigraphy. 第二种测定法是古磁学分析法,也叫磁极地层学测定法。
- ESR Dating of Gypsum in Cracks of Maogou Section 毛沟剖面裂隙石膏ESR测年研究
- ESR DATING OF CARBONATE DEPOSITES 碳酸盐沉积物的ESR断代
- ESR dating of gypsum from piaya deposits 干盐湖石膏的ESR年龄测定
- K Ar and Ar Ar dating is one of the best dating method to Mesozoic Cenozoic volcanic rocks. Appropriate size and preprocessing procedure are important for the method to get good data. K Ar和Ar Ar法是中、新生代火山岩最有效的测年方法之一 ,合适的粒度和有效的预处理程序对于提高年龄资料的质量至关重要。
- ESR dating of the Quaternary geological samples 第四纪地质样品的ESR测年法
- The 14C age dating method was applied to study the deposited age of the Jiangbei conglomerate in Youxi profile,Jiangjin. The geochemical characteristics of oxides such as MgO,CaO,Fe2O3,FeO,Fe2O3/FeO were analyzed. 本研究采用14C法对江津油溪剖面江北砾岩胶结年代进行测定;用滴定法和原子吸收光谱仪对填隙物的Fe2O3、FeO、CaO、MgO及Fe2O3/FeO变化特征进行了分析.
- The longer transportation distance of the fluvial deposits facilitates the bleaching and increases the reliability of the luminescence dating method, especially for the young material. 当然是愈是年轻的标本,较长的搬运距离愈是可以增加被晒退的机会,当然也会增加萤光定年法的可信度。
- In practice,reaction extrusion is a new trend in the extrusion technology.The multiscrew extruder based on co rotating twin screw extruder is an up to date method. 在实验上,反应挤出技术代表了双螺杆挤出机开发的趋势,在此基础上的多螺杆技术是该领域的新发展。
- The geologic dating methods, which include the paleontology method, archeomagnetism method, and isotopic method, present absolute ages or relative ages of geologic events. 前人已建立的地质定年方法(同位素法、古生物法和古地磁法)给出的是地质事件的“绝对年龄”或“相对年代”。
- U-Pb and Pb-Pb dating methods have been used to determine the age of H8 dolomite in Bayan Obo Ore Deposit. 采用U Pb和Pb Pb方法研究了内蒙古白云鄂博赋矿H8白云岩的年代。
- Study of ESR Dating of Quaternary Moraine, Qilian Mountains 祁连山第四纪冰碛物的ESR测年研究
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- The results of all these dating methods and fossil geochronometry should be contrasted each other. 与蛇绿岩形成、演化相关的各地质事件发生的时间可以对蛇绿岩的形成时代进行约束。
- Keywords Stalagmite;Accumulative dose;Annual dose;ESR dating; 石笋;总辐照剂量;年剂量;ESR测年;
- Using radiometric dating methods, Sugden determined that the ash settled into the fissure after a volcanic eruption 8.1 million years ago. 使用放射性断代法,苏格丹发现火山灰早在810万年前的一次火山喷发后,就已进入了裂缝。